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Finding the Fourth Proportional to 616,167.20, 922,695.60 and 457,536.80

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Solution

The fourth proportional to 616,167.20, 922,695.60 and 457,536.80 is: 685,150.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,167.20 : 922,695.60 = 457,536.80 : x
  2. Step 2: Convert to fraction form
    616,167.20/922,695.60 = 457,536.80/x
  3. Step 3: Cross multiply
    616,167.20x = 922,695.60 × 457,536.80
  4. Step 4: Simplify right side
    616,167.20x = 422,167,192,198.08
  5. Step 5: Solve for x
    x = 422,167,192,198.08/616,167.20
  6. Step 6: Final answer
    x = 685,150.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.